Security Engineer - Red Team Barcelona, Spain

Job Description

Mirantis is seeking a Senior Product Security Engineer to help secure our portfolio of products and services, including enterprise software and critical infrastructure. This role is part of our growing Product Security program and will play a key role in implementing security controls, driving remediation efforts, supporting compliance initiatives, and partnering with engineering teams to ensure a secure software development lifecycle.

As a Senior Product Security Engineer, you will work closely with engineering, security operations, and compliance teams to reduce risk across Mirantis products. You will have the opportunity to shape security strategy, automate controls, and ensure security is embedded into every stage of product development and operations.

Key Responsibilities

Secure Products & Infrastructure :

• Design, implement, and maintain security controls across applications, infrastructure, and CI / CD pipelines to align with internal security standards and regulatory frameworks (e.G., SOC 2, ISO 27001).
• Drive adoption of modern security tooling and practices including SAST, DAST, container image scanning, Infrastructure as Code (IaC) security, and dependency analysis.

Offensive Security & Vulnerability Management :

Incident Response Support :

Compliance & Assurance :

Cross-Product Security Coverage :

Security Advocacy & Enablement :

Qualifications

5+ years of experience in product security, application security, or a related security engineering role.

Strong understanding of common vulnerabilities (e.G., OWASP Top 10, SANS Top 25) and secure development best practices.

Demonstrated experience performing offensive security activities such as manual penetration testing, threat modeling, and exploitation of vulnerabilities.

Hands-on experience with security testing and automation, including :

SAST / DAST tooling and pipelines

Container image scanning (e.G., Trivy, Grype, Anchore)

IaC security ( e.G., Terraform, Helm, Kics, Checkov)

Dependency and supply chain security tooling

Familiarity with vulnerability scanning and management tools, application security testing, and manual review techniques.

Experience with containerized environments, Kubernetes, and cloud platforms.

Proven ability to integrate security controls into CI / CD pipelines and automate security testing as part of the SDLC.

Excellent collaboration and communication skills, with the ability to work closely with product and engineering teams.

Experience with SOC 2, ISO 27001, or similar compliance frameworks is a plus.

Relevant certifications such as OSCP, OSEP, OSWE, or SANS / GIAC certifications (e.G., GPEN, GWEB, GWAPT, GCSA), or other equivalent offensive security and application security credentials are strongly preferred.

Proficiency in scripting or programming languages (e.G., Go, Python or similar) is an advantage.

Additional Information

What does Mirantis offer you?

Work with an established Silicon Valley leader in the cloud infrastructure industry.

Work with exceptionally passionate, talented and engaging colleagues, helping Fortune 500 and Global 2000 customers implement next-generation cloud technologies.

Be a part of cutting-edge, open-source innovation.

Thrive in the high-energy environment of a young company where openness, collaboration, risk-taking, and continuous growth are valued.

Professional development and training.

Attend conferences and working groups.

Customized workstation (macOS, Windows).

Professional development and training.

A competitive compensation package with strong benefits plan and stock options.

It is understood that Mirantis, Inc. may use automated decision-making technology (ADMT) for specific employment-related decisions. Opting out of ADMT use is requested for decisions about evaluation and review connected with the specific employment decision for the position applied for. You also have the right to appeal any decisions made by ADMT by sending your request to

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We are a in G2 (#2 after AWS)!

We are a in G2 (#2 after AWS)!